#include<iostream>
using namespace std;

float compare(float var1,float var2,float var3){
    float max;
    max = var1>=var2 ? var1 : var2;
    max = max >=var3 ? max : var3;
    return max;
}

int main(){
    float a,b,c;
    cin>>a>>b>>c;
    float max =compare(a,b,c);
    cout<<max<<endl;
    return 0;
}